Science Topics term usage 2011-07

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

19099	earthquakes
6372	earthquake occurrences
4956	volcanoes
2496	maps and atlases
1906	real-time monitoring and reporting
1315	mineral resources
1137	surface water (non-marine)
1111	groundwater
1089	floods
1061	climate change
999	map interfaces
949	energy resources
772	droughts
753	geospatial analysis
735	topographic maps
706	water quality
652	remote sensing
527	invasive species
516	contamination and pollution
490	earthquake probabilities
452	avian influenza
395	environmental health (human)
380	seismology
371	fires
356	oil resources
335	geologic maps
289	tsunamis
281	microbiology
202	volcanic activity
199	river systems
184	streamflow
179	natural gas resources
168	human impacts
166	acid deposition
159	hydrology
157	life sciences
131	health and disease
130	tectonic processes
123	surface water quality
120	land use and land cover

Scripts used